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Muscular System Review

Total questions: 34

Worksheet time: 14mins

Name
Class
Date
1.
This type of muscle tissue is found in the walls of hollow organs such as the stomach 
a)
Skeletal
b)
Cardiac
c)
Smooth
2.
Which type(s) of muscle tissue have visible striations
a)
Only Cardiac Muscle
b)
Only Skeletal Muscle
c)
Only Smooth Muscle
d)
Skeletal and Cardiac Muscle
3.
Which of the following is NOT a function of the muscular system?
a)
Heat production
b)
Joint stability
c)
Movement
d)
Communication
4.
Each muscle fiber is directly surrounded by connective tissue called the 
a)
perimysium
b)
fascia
c)
endomysium
d)
epimysium
5.

Take your time looking at the picture. You have 60 seconds. Which number represents the Fascicle?

(a)  

6.
The plasma membrane of a skeletal muscle cell is called the:
a)
sarcomere
b)
myofilament
c)
sarcolemma
d)
sarcoplasm
7.
The Light I Band consists of... 
a)
Myosin filaments only
b)
Actin filaments only
c)
Myosin and actin filaments
d)
none of the above
8.

The functional unit of the myofibril that can contract is the:

a)

Sarcomere

b)

Osteon

c)

Myofilament

d)

Muscle fiber

9.
The thick filament is composed of: 
a)
Myosin
b)
Actin
10.
The ________ functions in regulation of Ca2+ levels. 
a)
Sarcoplasmic Reticulum
b)
T Tubules
c)
Mitochondria
d)
Fascicle
11.

The point at which the nerve cell reaches the sarcolemma of the muscle fiber is the _____.

a)

Neurotransmitter

b)

Acetylcholine

c)

Synaptic cleft

d)

Neuromuscular Junction

12.

One neuron and all the skeletal muscle cells it stimulates is the ____ ___.

a)

Neurotransmitter

b)

Neuromuscular junction

c)

Motor unit

d)

Synaptic cleft

13.

The gap between the nerve cell and sarcolemma is the ____ ___.

a)

Synaptic cleft

b)

Neurotransmitter

c)

Motor unit

d)

Neuromuscular junction

14.

What is the specific neurotransmitter that stimulates the movement of skeletal muscles?

a)

GABA

b)

Acetylcholine

c)

Serotonin

d)

Dopamine

15.

Once the action potential reaches the end of the axon terminal what takes place?

a)

ACh is released into the synaptic cleft.

b)

Calcium is pumped into the sarcolemma of the muscle cell.

c)

Calcium is pumped into the axon terminal of the neuron.

d)

The muscle contracts.

16.

Once ACh binds to receptor cells on the sarcolemma, what takes place?

a)

Sarcolemma becomes temporarily permeable to sodium.

b)

The muscle contracts.

c)

Calcium is pumped into the axon terminal.

d)

Synaptic vesicles move to the end of the terminal.

17.

A ___extends from one Z disc to another Z disc.

a)

Sarcolemma

b)

Neuromuscular junction

c)

Sarcomere

d)

Motor end plate

18.

Higher Questioning: What happens to the H zone and I Band during contraction?

a)

They grow in size

b)

They stay the same

c)

They shrink in size

19.

What causes the muscle to stop contracting?

a)

Lack of effort

b)

Myosin-Heads fail to attach

c)

Calcium Ions are pumped away

d)

Muscle fibre tears

20.
Calcium:
a)
causes ATP binding to actin
b)
increases the action potential along the sarcolemma
c)
binds to proteins on myosin
d)
triggers the binding of myosin to actin
21.

What term best describes the movement in the picture?

a)

Flexion

b)

Extension

c)

Abduction

d)

Adduction

22.

What term best describes the movement in the picture?

a)

Adduction

b)

Abduction

c)

Flexion

d)

Extension

23.
Turning the foot so the plantar surfaces faces medially.
a)
plantar flexion
b)
eversion
c)
inversion
d)
dorsiflexion
24.
Turning the hand so that the palm is upward or facing anteriorly (in anatomical position).
a)
supination
b)
pronation
c)
flexion
d)
dorsiflexion
25.

What movement is occurring here?

a)

Eversion

b)

Flexion

c)

Dorsiflexion

d)

Plantar flexion

26.
The non-moving portion of the muscle attached to bone or other fixed muscle is the:
a)
origin
b)
belly
c)
insertion
d)
synapse
27.
a)

Hamstrings

b)

Quadriceps

c)

Tibialis Anterior

d)

Gastrocenmius

28.

This is showing the major muscle group on your back, called what?

a)

latissimus dorsi

b)

trapezius

c)

pectorals

d)

external obliques

29.

What muscle is the arrow pointing to?

a)

Biceps

b)

Triceps

c)

Lats

d)

Quads

30.
What  does the highlighted  muscle do?
a)
Pulls head from side to side
b)
Closes Eyes
c)
Raise Eyebrows
d)
Tilt head back
31.
Which muscle allows you to smile?
a)
zygomaticus
b)
orbicularis oculi
c)
orbicularis oris
d)
buccinator
32.
The masseter is a chewing muscle. What is the other chewing muscle?
a)
frontalis
b)
buccinator
c)
sternocleidomastoid
d)
temporalis
33.

The prime mover of arm abduction is the ________ muscle.

a)

trapezius

b)

deltoid

c)

triceps brachii

d)

biceps brachii

34.

Which of these muscles is located on the ventral (anterior) side of the body?

a)

pectoralis major

b)

occipitalis

c)

gastrocnemius

d)

gluteus maximus

e)

latissimus dorsi

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